GI Development
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Questions and Answers

What gives rise to the glandular epithelium lining that line the pancreas, liver?

  • Endoderm (correct)
  • Ectoderm
  • Mesoderm
  • Neurocrest
  • What gives rise to the gut tube?

  • Endoderm (correct)
  • Ectoderm
  • Mesoderm
  • Neurocrest
  • What gives rise to the gut tube's mesothelium?

  • Endoderm
  • Mesoderm (correct)
  • Ectoderm
  • Neurocrest
  • SANS from neurocrest cells give rise to....

    <p>sympathetic chain and aortic associated ganglia</p> Signup and view all the answers

    PANS that arise from neurocrest cells give rise to...

    <p>postganglionic neurons found in myenteric plexus and submucosal plexus</p> Signup and view all the answers

    Where is the ventral mesentery derived from?

    <p>septum transversum</p> Signup and view all the answers

    What is the function of the ventral mesentery

    <p>connects the foregut to the anterior abdominal wall</p> Signup and view all the answers

    What structures does the ventral mesentery contain?

    <p>liver, gallbladder, cystic duct, hepatic duct, bile duct</p> Signup and view all the answers

    What does the ventral mesentery give rise to?

    <p>lesser omentum &amp; falciform ligament</p> Signup and view all the answers

    Lesser omentum

    <p>connects liver and stomach to duodenum</p> Signup and view all the answers

    Falciform ligament

    <p>connects liver to the anterior abdominal wall</p> Signup and view all the answers

    Where is the dorsal mesentery derived from?

    <p>Splanchnic mesoderm</p> Signup and view all the answers

    By week 5, the dorsal mesentery has the following regions

    <p>mesentery proper, dorsal mesogastrium, dorsal mesoduodenum, dorsal mesocolon</p> Signup and view all the answers

    What does the mesentery proper contain and what does it suspend?

    <p>SMA, suspends midgut off the body wall</p> Signup and view all the answers

    What does the hepatic bud give rise to?

    <p>hepatocytes</p> Signup and view all the answers

    Which structure is suspended by the dorsal mesoduodenum?

    <p>Duodenum</p> Signup and view all the answers

    What does the dorsal mesocolon suspend in the developing gastrointestinal tract?

    <p>Sigmoid colon and rectum</p> Signup and view all the answers

    Which component is NOT part of the ventral mesentery?

    <p>Dorsal mesogastrium</p> Signup and view all the answers

    What is contained within the ventral mesentery?

    <p>Liver and biliary tract</p> Signup and view all the answers

    Which of the following best describes the mesentery proper?

    <p>Suspends the jejunum and ileum along with portions of the colon</p> Signup and view all the answers

    Where is the visceral peritoneum derived from?

    <p>Splanchnic mesoderm</p> Signup and view all the answers

    Where does the parietal peritoneum come from?

    <p>Somatic mesoderm</p> Signup and view all the answers

    What does the endoderm give rise to?

    <p>Parenchyma, glandular epithelium, ducts and epithelial lining of gut tube</p> Signup and view all the answers

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